Majisuka Gakuen 00/Grumpy

Grumpy (グランピー) is a character in Majisuka Gakuen 00. She is portrayed by Samuikaze Ran and is a student of grade B.

Background
Grumpy is one of the students who are part of D. in order to increase their strenght. While D. operates on the basis of the more, the stronger, Infinity hand-selects their members.

Trivia

 * It's unknown why she was given the name.